[INFO] updating cached repository https://github.com/m-r-r/torrent-server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 881f7a2bb1f2720fc3e603021517cf2a39fd70b2
[INFO] testing m-r-r/torrent-server against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-r-r%2Ftorrent-server" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-r-r/torrent-server on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/m-r-r/torrent-server
[INFO] finished tweaking git repo https://github.com/m-r-r/torrent-server
[INFO] tweaked toml for git repo https://github.com/m-r-r/torrent-server written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/m-r-r/torrent-server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ea080844bc8799d1d87de11166a3d4b962387a144d9282ee1ce09f9a9a0865b
[INFO] running `"docker" "start" "-a" "3ea080844bc8799d1d87de11166a3d4b962387a144d9282ee1ce09f9a9a0865b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bencode v0.1.16
[INFO] [stderr]    Compiling torrent-tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let ip = try!(decoder.read_str());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 info_hash: try!(decoder.read_struct_field("info_hash", 0, |d| Decodable::decode(d))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 peer_id: try!(decoder.read_struct_field("peer_id", 1, |d| Decodable::decode(d))),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ip: try!(decoder.read_struct_field("ip", 2, |decoder| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 port: try!(decoder.read_struct_field("port", 3, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 uploaded: try!(decoder.read_struct_field("uploaded", 4, |d| Decodable::decode(d))),
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 downloaded: try!(decoder.read_struct_field("downloaded", 5, |d| Decodable::decode(d))),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 left: try!(decoder.read_struct_field("left", 6, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 compact: try!(decoder.read_struct_field("compact", 7, |decoder| {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 event: try!(decoder.read_struct_field("event", 8, |d| Decodable::decode(d)))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PeerList`
[INFO] [stderr]   --> src/response.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     PeerList {
[INFO] [stderr] 12 | |         /// Refresh interval of the list
[INFO] [stderr] 13 | |         interval: u32,
[INFO] [stderr] 14 | |         /// Available peers
[INFO] [stderr] 15 | |         peers: Vec<Peer>,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "3ea080844bc8799d1d87de11166a3d4b962387a144d9282ee1ce09f9a9a0865b"`
[INFO] running `"docker" "rm" "-f" "3ea080844bc8799d1d87de11166a3d4b962387a144d9282ee1ce09f9a9a0865b"`
[INFO] [stdout] 3ea080844bc8799d1d87de11166a3d4b962387a144d9282ee1ce09f9a9a0865b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0cdf6f7f4cfc92b632daec0765f479c8e7a6ffdd41fef1cfbbb780b0369b18a
[INFO] running `"docker" "start" "-a" "a0cdf6f7f4cfc92b632daec0765f479c8e7a6ffdd41fef1cfbbb780b0369b18a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling torrent-tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let ip = try!(decoder.read_str());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 info_hash: try!(decoder.read_struct_field("info_hash", 0, |d| Decodable::decode(d))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 peer_id: try!(decoder.read_struct_field("peer_id", 1, |d| Decodable::decode(d))),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ip: try!(decoder.read_struct_field("ip", 2, |decoder| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 port: try!(decoder.read_struct_field("port", 3, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 uploaded: try!(decoder.read_struct_field("uploaded", 4, |d| Decodable::decode(d))),
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 downloaded: try!(decoder.read_struct_field("downloaded", 5, |d| Decodable::decode(d))),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 left: try!(decoder.read_struct_field("left", 6, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 compact: try!(decoder.read_struct_field("compact", 7, |decoder| {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 event: try!(decoder.read_struct_field("event", 8, |d| Decodable::decode(d)))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PeerList`
[INFO] [stderr]   --> src/response.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     PeerList {
[INFO] [stderr] 12 | |         /// Refresh interval of the list
[INFO] [stderr] 13 | |         interval: u32,
[INFO] [stderr] 14 | |         /// Available peers
[INFO] [stderr] 15 | |         peers: Vec<Peer>,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let ip = try!(decoder.read_str());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 info_hash: try!(decoder.read_struct_field("info_hash", 0, |d| Decodable::decode(d))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 peer_id: try!(decoder.read_struct_field("peer_id", 1, |d| Decodable::decode(d))),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ip: try!(decoder.read_struct_field("ip", 2, |decoder| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 port: try!(decoder.read_struct_field("port", 3, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 uploaded: try!(decoder.read_struct_field("uploaded", 4, |d| Decodable::decode(d))),
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 downloaded: try!(decoder.read_struct_field("downloaded", 5, |d| Decodable::decode(d))),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 left: try!(decoder.read_struct_field("left", 6, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 compact: try!(decoder.read_struct_field("compact", 7, |decoder| {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 event: try!(decoder.read_struct_field("event", 8, |d| Decodable::decode(d)))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PeerList`
[INFO] [stderr]   --> src/response.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     PeerList {
[INFO] [stderr] 12 | |         /// Refresh interval of the list
[INFO] [stderr] 13 | |         interval: u32,
[INFO] [stderr] 14 | |         /// Available peers
[INFO] [stderr] 15 | |         peers: Vec<Peer>,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "a0cdf6f7f4cfc92b632daec0765f479c8e7a6ffdd41fef1cfbbb780b0369b18a"`
[INFO] running `"docker" "rm" "-f" "a0cdf6f7f4cfc92b632daec0765f479c8e7a6ffdd41fef1cfbbb780b0369b18a"`
[INFO] [stdout] a0cdf6f7f4cfc92b632daec0765f479c8e7a6ffdd41fef1cfbbb780b0369b18a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9590ac95b831cb155aa57f6d3723cd34b0e464e922e91b17dec494d27063a6ff
[INFO] running `"docker" "start" "-a" "9590ac95b831cb155aa57f6d3723cd34b0e464e922e91b17dec494d27063a6ff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let ip = try!(decoder.read_str());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 info_hash: try!(decoder.read_struct_field("info_hash", 0, |d| Decodable::decode(d))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 peer_id: try!(decoder.read_struct_field("peer_id", 1, |d| Decodable::decode(d))),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ip: try!(decoder.read_struct_field("ip", 2, |decoder| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 port: try!(decoder.read_struct_field("port", 3, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 uploaded: try!(decoder.read_struct_field("uploaded", 4, |d| Decodable::decode(d))),
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 downloaded: try!(decoder.read_struct_field("downloaded", 5, |d| Decodable::decode(d))),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 left: try!(decoder.read_struct_field("left", 6, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 compact: try!(decoder.read_struct_field("compact", 7, |decoder| {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 event: try!(decoder.read_struct_field("event", 8, |d| Decodable::decode(d)))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PeerList`
[INFO] [stderr]   --> src/response.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     PeerList {
[INFO] [stderr] 12 | |         /// Refresh interval of the list
[INFO] [stderr] 13 | |         interval: u32,
[INFO] [stderr] 14 | |         /// Available peers
[INFO] [stderr] 15 | |         peers: Vec<Peer>,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] 
[INFO] [stderr]   --> src/serialize.rs:12:20
[INFO] [stdout] running 3 tests
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let hash = try!(decoder.read_str());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let ip = try!(decoder.read_str());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 info_hash: try!(decoder.read_struct_field("info_hash", 0, |d| Decodable::decode(d))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 peer_id: try!(decoder.read_struct_field("peer_id", 1, |d| Decodable::decode(d))),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 ip: try!(decoder.read_struct_field("ip", 2, |decoder| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 port: try!(decoder.read_struct_field("port", 3, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 uploaded: try!(decoder.read_struct_field("uploaded", 4, |d| Decodable::decode(d))),
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 downloaded: try!(decoder.read_struct_field("downloaded", 5, |d| Decodable::decode(d))),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 left: try!(decoder.read_struct_field("left", 6, |d| Decodable::decode(d))),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 compact: try!(decoder.read_struct_field("compact", 7, |decoder| {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 event: try!(decoder.read_struct_field("event", 8, |d| Decodable::decode(d)))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PeerList`
[INFO] [stderr]   --> src/response.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     PeerList {
[INFO] [stderr] 12 | |         /// Refresh interval of the list
[INFO] [stderr] 13 | |         interval: u32,
[INFO] [stderr] 14 | |         /// Available peers
[INFO] [stderr] 15 | |         peers: Vec<Peer>,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/torrent_tracker-c4225cf79bedcc46
[INFO] [stdout] test serialize::tests::decode_announce ... ok
[INFO] [stdout] test tests::parse_info_hash ... ok
[INFO] [stdout] test tests::parse_peer_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests torrent-tracker
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9590ac95b831cb155aa57f6d3723cd34b0e464e922e91b17dec494d27063a6ff"`
[INFO] running `"docker" "rm" "-f" "9590ac95b831cb155aa57f6d3723cd34b0e464e922e91b17dec494d27063a6ff"`
[INFO] [stdout] 9590ac95b831cb155aa57f6d3723cd34b0e464e922e91b17dec494d27063a6ff